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  • Title: Antibody drug conjugates for patients with breast cancer.
    Author: Medford A, Spring LM, Moy B, Bardia A.
    Journal: Curr Probl Cancer; 2021 Oct; 45(5):100795. PubMed ID: 34635342.
    Abstract:
    The receptor-based classification of breast cancer predicts its optimal therapy. Hormone Receptor (HR) positive breast cancer is treated with endocrine therapy, and HER2+ disease is treated with HER2-targeted therapy. Triple negative breast cancer (TNBC), defined as tumors lacking HR and HER2, represents an aggressive subtype of breast cancer associated with poor prognosis. Development of targeted therapy for this subtype has been challenging since TNBC usually lacks targetable genomic alterations. However, the advent of antibody drug conjugates (ADC) to target antigens overexpressed in breast cancer has opened the door to a new class of breast cancer therapeutics. In this review, we describe the current FDA-approved ADC therapies for breast cancer, including sacituzumab govitecan, as well as agents currently in advanced stages of investigation. In addition, we review the potential therapeutic application of ADCs across different breast cancer subtypes. In the future, therapeutic advances in ADCs targeting different antigens could redefine the current receptor-based classification of breast cancer.
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